import 'package:date_time_picker/date_time_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_form_builder/flutter_form_builder.dart';
import 'package:flutter_progress_hud/flutter_progress_hud.dart';
import 'package:intl/intl.dart';
import 'package:unit2/bloc/profile/profile_bloc.dart';
import 'package:unit2/bloc/user/user_bloc.dart';
import 'package:unit2/model/location/city.dart';
import 'package:unit2/model/login_data/employee_info/employee_info.dart';
import 'package:unit2/model/profile/eligibility.dart';
import 'package:unit2/model/utils/eligibility.dart';
import 'package:unit2/utils/location_utilities.dart';
import '../../../../model/location/country.dart';
import '../../../../model/location/region.dart';
import '../../../../model/location/provinces.dart';
import '../../../../theme-data.dart/btn-style.dart';
import '../../../../theme-data.dart/colors.dart';
import '../../../../theme-data.dart/form-style.dart';
import '../../../../utils/global.dart';
import '../../../../utils/text_container.dart';

class EditEligibilityScreen extends StatefulWidget {
  final EligibityCert eligibityCert;
  const EditEligibilityScreen({super.key, required this.eligibityCert});

  @override
  State<EditEligibilityScreen> createState() => _EditEligibilityScreenState();
}

class _EditEligibilityScreenState extends State<EditEligibilityScreen> {
  final formKey = GlobalKey<FormBuilderState>();
  bool? overseas;
  DateFormat dteFormat2 = DateFormat.yMMMMd('en_US');
  Region? selectedRegion;
  Province? selectedProvince;
  CityMunicipality? selectedMunicipality;
  Region? regions;
  Province? province;
  CityMunicipality? city;
  Country? selectedCountry;
  Eligibility? selectedEligibility;
  List<Province>? provinces;
  // final examDateController = TextEditingController();
  // final validityDateController = TextEditingController();
  @override
  Widget build(BuildContext context) {
    //USERBLOC
    return BlocBuilder<UserBloc, UserState>(
      builder: (context, state) {
        //LOGGED IN USER STATE
        if (state is UserLoggedIn) {
          //PROFIILE BLOC
          return BlocBuilder<ProfileBloc, ProfileState>(
            builder: (context, state) {
              //EDIT ELIGIBILITY STATE
              if (state is EditEligibilityState) {
                overseas = state.isOverseas;
                return ProgressHUD(
                  child: Center(
                    child: Padding(
                      padding: const EdgeInsets.symmetric(
                          vertical: 25, horizontal: 18),
                      child: FormBuilder(
                        key: formKey,
                        child: Column(
                            mainAxisAlignment: MainAxisAlignment.center,
                            crossAxisAlignment: CrossAxisAlignment.center,
                            children: [
                              //ELIGIBILITIES DROPDOWN
                              FormBuilderDropdown<Eligibility>(
                                onChanged: (Eligibility? eligibility){
                                  selectedEligibility = eligibility;
                                },
                                initialValue: state.currentEligibility,
                                items: state.eligibilities
                                    .map<DropdownMenuItem<Eligibility>>(
                                        (Eligibility eligibility) {
                                  return DropdownMenuItem<Eligibility>(
                                      value: eligibility,
                                      child: Text(eligibility.title));
                                }).toList(),
                                name: "eligibility",
                                decoration:
                                    normalTextFieldStyle("Eligibility", "")
                                        .copyWith(
                                            hintStyle: const TextStyle(
                                              color: Colors.black,
                                            ),
                                            labelStyle: const TextStyle(
                                                color: Colors.black)),
                              ),
                              const SizedBox(
                                height: 20,
                              ),

                              SizedBox(
                                width: screenWidth,
                                child: Row(
                                  children: [
                                    //LICENSE NUMBER
                                    Flexible(
                                      flex: 1,
                                      child: FormBuilderTextField(
                                        name: 'license_number',
                                        initialValue:
                                            widget.eligibityCert.licenseNumber,
                                        decoration: normalTextFieldStyle(
                                            "license number", "license number"),
                                      ),
                                    ),
                                    const SizedBox(
                                      width: 12,
                                    ),
                                    //RATING
                                    Flexible(
                                      flex: 1,
                                      child: FormBuilderTextField(
                                        name: 'rating',
                                       
                                        // ignore: prefer_null_aware_operators
                                        initialValue: widget
                                            .eligibityCert.rating== null?null:widget.eligibityCert.rating.toString(),
                                            
                                        decoration: normalTextFieldStyle(
                                            'rating', 'rating'),
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                              const SizedBox(
                                height: 20,
                              ),
                              SizedBox(
                                width: screenWidth,
                                child: Row(
                                  children: [
                                    //EXAM DATE
                                    Flexible(
                                        flex: 1,
                                        child: DateTimePicker(
                                          // controller: examDateController,
                                          firstDate: DateTime(2000),
                                          lastDate: DateTime(2100),
                                          decoration: normalTextFieldStyle(
                                              "Exam date", "Exam date"),
                                          initialValue:
                                              widget.eligibityCert.examDate ==
                                                      null
                                                  ? ''
                                                  : dteFormat2.format(widget
                                                      .eligibityCert.examDate!),
                                        )),
                                    const SizedBox(
                                      width: 12,
                                    ),
                                    //VALIDITY DATE
                                    Flexible(
                                      flex: 1,
                                      child: DateTimePicker(
                                        // controller: validityDateController,
                                        firstDate: DateTime(2000),
                                        lastDate: DateTime(2100),
                                        decoration: normalTextFieldStyle(
                                            "Validity date", "Validity date"),
                                        initialValue:
                                            widget.eligibityCert.validityDate ==
                                                    null
                                                ? ''
                                                : dteFormat2.format(widget
                                                    .eligibityCert
                                                    .validityDate!),
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                              const SizedBox(
                                height: 20,
                              ),
                              Text(
                                "Placement of Examination/Confinement",
                                style: Theme.of(context)
                                    .textTheme
                                    .displaySmall!
                                    .copyWith(fontSize: blockSizeVertical * 2),
                              ),
                              const SizedBox(
                                height: 12,
                              ),
                              //OVERSEAS ADDRESS SWITCH
                              FormBuilderSwitch(
                                initialValue: overseas,
                                activeColor: second,
                                onChanged: (value) {
                                  EligibityCert newEligibility =
                                      state.eligibityCert;
                                  newEligibility.overseas = value!;
                                  //  formKey.currentState!.reset();
                                  context.read<ProfileBloc>().add(
                                      EditEligibility(
                                          selectedRegion: null,
                                          selectedProvince: null,
                                          eligibityCert: newEligibility));
                                },
                                decoration: normalTextFieldStyle("", ''),
                                name: 'overseas',
                                title: const Text("Overseas Address?"),
                              ),
                              const SizedBox(
                                height: 20,
                              ),
                              //COUNTRY DROPDOWN
                              SizedBox(
                                  child: overseas == true
                                      ? FormBuilderDropdown<Country>(
                                          initialValue: state.currentCountry,
                                        
                                          items: state.countries
                                              .map<DropdownMenuItem<Country>>(
                                                  (Country country) {
                                            return DropdownMenuItem<Country>(
                                                value: country,
                                                child: FittedBox(
                                                    child:
                                                        Text(country.name!)));
                                          }).toList(),
                                          name: 'country',
                                          decoration: normalTextFieldStyle(
                                              "Country*", "Country"),
                                          onChanged: (Country? value) {
                                            selectedCountry = value;
                                          },
                                        )
                                      : Column(
                                          children: [
                                            //REGION DROPDOWN
                                            FormBuilderDropdown<Region?>(
                                              onChanged: (Region? region) {
                                                selectedRegion = region;
                                              
                                                context.read<ProfileBloc>().add(
                                                    EditEligibility(
                                                        eligibityCert:
                                                            state.eligibityCert,
                                                        selectedProvince: null,
                                                        selectedRegion:
                                                            selectedRegion));
                                              },
                                              initialValue: state.currentRegion,
                                              decoration: normalTextFieldStyle(
                                                  "Region*", "Region"),
                                              name: 'region',
                                              items: state.regions.map<
                                                      DropdownMenuItem<Region>>(
                                                  (Region region) {
                                                return DropdownMenuItem<Region>(
                                                    value: region,
                                                    child: Text(
                                                        region.description!));
                                              }).toList(),
                                            ),
                                            const SizedBox(
                                              height: 20,
                                            ),
                                            //PROVINCE DROPDOWN
                                            FormBuilderDropdown<Province?>(
                                                initialValue:state.currentProvince,
                                                name: 'province',
                                                onChanged:
                                                    (Province? province) {
                                                  selectedProvince = province;
                                                  context
                                                      .read<ProfileBloc>()
                                                      .add(EditEligibility(
                                                          eligibityCert: state
                                                              .eligibityCert,
                                                          selectedProvince:
                                                              selectedProvince,
                                                          selectedRegion: state
                                                              .currentRegion));
                                                },
                                                items: state.provinces == null
                                                    ? []
                                                    : state.provinces!.map<
                                                            DropdownMenuItem<
                                                                Province>>(
                                                        (Province province) {
                                                        return DropdownMenuItem(
                                                            value: province,
                                                            child: Text(province
                                                                .description!));
                                                      }).toList(),
                                                decoration:
                                                    normalTextFieldStyle(
                                                        "Province*",
                                                        "Province")),
                                            const SizedBox(
                                              height: 20,
                                            ),
                                            FormBuilderDropdown<
                                                    CityMunicipality>(
                                                      onChanged: (CityMunicipality? city){
                                                        selectedMunicipality = city;
                                                      },
                                                decoration:
                                                    normalTextFieldStyle(
                                                        "Municipality*",
                                                        "Municipality"),
                                                name: 'municipality',
                                                items: state.cityMuns == null
                                                    ? []
                                                    : state.cityMuns!.map<
                                                            DropdownMenuItem<
                                                                CityMunicipality>>(
                                                        (CityMunicipality c) {
                                                        return DropdownMenuItem(
                                                            value: c,
                                                            child: Text(c
                                                                .description!));
                                                      }).toList(),
                                                initialValue:
                                                    state.currentCity),
                                            const SizedBox(
                                              height: 20,
                                            ),
                                          ],
                                        )),
                              const Expanded(
                                child: SizedBox(),
                              ),

                              SizedBox(
                                width: screenWidth,
                                height: 60,
                                child: ElevatedButton(
                                    style: mainBtnStyle(
                                        primary, Colors.transparent, second),
                                    onPressed: () {},
                                    child: const Text(submit)),
                              ),
                              const SizedBox(
                                height: 20,
                              ),
                            ]),
                      ),
                    ),
                  ),
                );
              }
              return Container();
            },
          );
        }
        return Container();
      },
    );
  }
}